177 /* Compare two getfsmap device handlers. */
833 	struct xfs_getfsmap_dev		handlers[XFS_GETFSMAP_DEVS];  in xfs_getfsmap()  local
849 	/* Set up our device handlers. */  in xfs_getfsmap()
850 	memset(handlers, 0, sizeof(handlers));  in xfs_getfsmap()
851 	handlers[0].dev = new_encode_dev(mp->m_ddev_targp->bt_dev);  in xfs_getfsmap()
853 		handlers[0].fn = xfs_getfsmap_datadev_rmapbt;  in xfs_getfsmap()
855 		handlers[0].fn = xfs_getfsmap_datadev_bnobt;  in xfs_getfsmap()
857 		handlers[1].dev = new_encode_dev(mp->m_logdev_targp->bt_dev);  in xfs_getfsmap()
858 		handlers[1].fn = xfs_getfsmap_logdev;  in xfs_getfsmap()
862 		handlers[2].dev = new_encode_dev(mp->m_rtdev_targp->bt_dev);  in xfs_getfsmap()
863 		handlers[2].fn = xfs_getfsmap_rtdev_rtbitmap;  in xfs_getfsmap()
867 	xfs_sort(handlers, XFS_GETFSMAP_DEVS, sizeof(struct xfs_getfsmap_dev),  in xfs_getfsmap()
918 		if (!handlers[i].fn)  in xfs_getfsmap()
920 		if (head->fmh_keys[0].fmr_device > handlers[i].dev)  in xfs_getfsmap()
922 		if (head->fmh_keys[1].fmr_device < handlers[i].dev)  in xfs_getfsmap()
932 		if (handlers[i].dev == head->fmh_keys[1].fmr_device)  in xfs_getfsmap()
934 		if (handlers[i].dev > head->fmh_keys[0].fmr_device)  in xfs_getfsmap()
941 		info.dev = handlers[i].dev;  in xfs_getfsmap()
944 		error = handlers[i].fn(tp, dkeys, &info);  in xfs_getfsmap()